linka-cloud/grpc-toolkit
2
0
Fork 0
mirror of https://github.com/linka-cloud/grpc.git synced 2025-06-22 09:12:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

remove transport draft, add grpc web and gateway support

Browse Source
This commit is contained in:
Adphi
2021-09-18 01:39:15 +02:00
parent 4085420f6f
commit 1eea54f18a
37 changed files with 2884 additions and 290 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
example/example.go
View File

@ -2,10 +2,13 @@ package main
import (
"context"
"crypto/tls"
"errors"
"fmt"
"io"
"time"
"io/ioutil"
"net/http"
"strings"
"github.com/sirupsen/logrus"
@ -14,7 +17,7 @@ import (
"go.linka.cloud/grpc/service"
)
type GreeterHandler struct{
type GreeterHandler struct {
UnimplementedGreeterServer
}
@ -31,27 +34,29 @@ func (g *GreeterHandler) SayHelloStream(req *HelloStreamRequest, s Greeter_SayHe
if err := s.Send(&HelloReply{Message: fmt.Sprintf("Hello %s (%d)!", req.Name, i+1)}); err != nil {
return err
}
time.Sleep(time.Second)
// time.Sleep(time.Second)
}
return nil
}
func main() {
name := "greeter"
secure := true
ctx, cancel := context.WithCancel(context.Background())
done := make(chan struct{})
ready := make(chan struct{})
defer cancel()
var svc service.Service
var err error
address := "0.0.0.0:9991"
svc, err = service.New(
service.WithContext(ctx),
service.WithName(name),
service.WithVersion("v0.0.1"),
service.WithAddress("0.0.0.0:9991"),
service.WithAddress(address),
service.WithRegistry(mdns.NewRegistry()),
service.WithReflection(true),
service.WithSecure(true),
service.WithSecure(secure),
service.WithAfterStart(func() error {
fmt.Println("Server listening on", svc.Options().Address())
close(ready)
@ -62,6 +67,10 @@ func main() {
close(done)
return nil
}),
service.WithGateway(RegisterGreeterHandler),
service.WithGatewayPrefix("/rest"),
service.WithGRPCWeb(true),
service.WithGRPCWebPrefix("/grpc"),
)
if err != nil {
panic(err)
@ -77,7 +86,7 @@ func main() {
client.WithName("greeter"),
client.WithVersion("v0.0.1"),
client.WithRegistry(mdns.NewRegistry()),
client.WithSecure(true),
client.WithSecure(secure),
)
if err != nil {
logrus.Fatal(err)
@ -91,7 +100,7 @@ func main() {
logrus.Infof("received message: %s", res.Message)
stream, err := g.SayHelloStream(context.Background(), &HelloStreamRequest{Name: "test", Count: 10})
if err != nil {
logrus.Fatal(err)
logrus.Fatal(err)
}
for {
m, err := stream.Recv()
@ -99,10 +108,38 @@ func main() {
break
}
if err != nil {
logrus.Fatal(err)
logrus.Fatal(err)
}
logrus.Infof("received stream message: %s", m.Message)
}
scheme := "http://"
if secure {
scheme = "https://"
}
httpc := &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
},
}
req := `{"name":"test"}`
do := func(url, contentType string) {
resp, err := httpc.Post(url, contentType, strings.NewReader(req))
if err != nil {
logrus.Fatal(err)
}
defer resp.Body.Close()
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
logrus.Fatal(err)
}
logrus.Info(string(b))
}
do(scheme+address+"/rest/api/v1/greeter/hello", "application/json")
do(scheme+address+"/grpc/helloworld.Greeter/SayHello", "application/grpc-web+json")
cancel()
<-done
}

24
example/example.pb.defaults.go Normal file
View File

@ -0,0 +1,24 @@
// Code generated by protoc-gen-defaults. DO NOT EDIT.
package main
import (
"google.golang.org/protobuf/types/known/durationpb"
"google.golang.org/protobuf/types/known/timestamppb"
"google.golang.org/protobuf/types/known/wrapperspb"
)
var (
_ *timestamppb.Timestamp
_ *durationpb.Duration
_ *wrapperspb.BoolValue
)
func (x *HelloRequest) Default() {
}
func (x *HelloReply) Default() {
}
func (x *HelloStreamRequest) Default() {
}

21
example/example.pb.fields.go Normal file
View File

@ -0,0 +1,21 @@
package main
var HelloRequestFields = struct {
Name string
}{
Name: "name",
}
var HelloReplyFields = struct {
Message string
}{
Message: "message",
}
var HelloStreamRequestFields = struct {
Name string
Count string
}{
Name: "name",
Count: "count",
}

60
example/example.pb.go
View File

@ -1,17 +1,18 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.23.0
// protoc v3.13.0
// protoc-gen-go v1.27.1
// protoc v3.17.3
// source: example/example.proto
package main
import (
proto "github.com/golang/protobuf/proto"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
_ "google.golang.org/genproto/googleapis/api/annotations"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
)
const (
@ -21,10 +22,6 @@ const (
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
type HelloRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -179,27 +176,32 @@ var File_example_example_proto protoreflect.FileDescriptor
var file_example_example_proto_rawDesc = []byte{
0x0a, 0x15, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c,
0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0a, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f,
0x72, 0x6c, 0x64, 0x22, 0x22, 0x0a, 0x0c, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65, 0x71, 0x75,
0x72, 0x6c, 0x64, 0x1a, 0x1c, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f,
0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74,
0x6f, 0x22, 0x22, 0x0a, 0x0c, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73,
0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
0x04, 0x6e, 0x61, 0x6d, 0x65, 0x22, 0x26, 0x0a, 0x0a, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65,
0x70, 0x6c, 0x79, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x01,
0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22, 0x3e, 0x0a,
0x12, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x52, 0x65, 0x71, 0x75,
0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28,
0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x22, 0x26, 0x0a, 0x0a, 0x48, 0x65, 0x6c, 0x6c, 0x6f,
0x52, 0x65, 0x70, 0x6c, 0x79, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65,
0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22,
0x3e, 0x0a, 0x12, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x52, 0x65,
0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20,
0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x63, 0x6f, 0x75,
0x6e, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52, 0x05, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x32,
0x97, 0x01, 0x0a, 0x07, 0x47, 0x72, 0x65, 0x65, 0x74, 0x65, 0x72, 0x12, 0x3e, 0x0a, 0x08, 0x53,
0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x12, 0x18, 0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77,
0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73,
0x74, 0x1a, 0x16, 0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x48,
0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x00, 0x12, 0x4c, 0x0a, 0x0e, 0x53,
0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x12, 0x1e, 0x2e,
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x48, 0x65, 0x6c, 0x6c, 0x6f,
0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x16, 0x2e,
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x48, 0x65, 0x6c, 0x6c, 0x6f,
0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x00, 0x30, 0x01, 0x42, 0x0e, 0x5a, 0x0c, 0x65, 0x78, 0x61,
0x6d, 0x70, 0x6c, 0x65, 0x3b, 0x6d, 0x61, 0x69, 0x6e, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
0x33,
0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x63, 0x6f, 0x75, 0x6e, 0x74,
0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52, 0x05, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x32, 0xb7, 0x01,
0x0a, 0x07, 0x47, 0x72, 0x65, 0x65, 0x74, 0x65, 0x72, 0x12, 0x5e, 0x0a, 0x08, 0x53, 0x61, 0x79,
0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x12, 0x18, 0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72,
0x6c, 0x64, 0x2e, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a,
0x16, 0x2e, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x48, 0x65, 0x6c,
0x6c, 0x6f, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x20, 0x82, 0xd3, 0xe4, 0x93, 0x02, 0x1a, 0x22,
0x15, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x2f, 0x67, 0x72, 0x65, 0x65, 0x74, 0x65, 0x72,
0x2f, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x3a, 0x01, 0x2a, 0x12, 0x4c, 0x0a, 0x0e, 0x53, 0x61, 0x79,
0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x12, 0x1e, 0x2e, 0x68, 0x65,
0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x53, 0x74,
0x72, 0x65, 0x61, 0x6d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x16, 0x2e, 0x68, 0x65,
0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65,
0x70, 0x6c, 0x79, 0x22, 0x00, 0x30, 0x01, 0x42, 0x22, 0x5a, 0x20, 0x67, 0x6f, 0x2e, 0x6c, 0x69,
0x6e, 0x6b, 0x61, 0x2e, 0x63, 0x6c, 0x6f, 0x75, 0x64, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x65,
0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x3b, 0x6d, 0x61, 0x69, 0x6e, 0x62, 0x06, 0x70, 0x72, 0x6f,
0x74, 0x6f, 0x33,
}
var (

167
example/example.pb.gw.go Normal file
View File

@ -0,0 +1,167 @@
// Code generated by protoc-gen-grpc-gateway. DO NOT EDIT.
// source: example/example.proto
/*
Package main is a reverse proxy.
It translates gRPC into RESTful JSON APIs.
*/
package main
import (
"context"
"io"
"net/http"
"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
"github.com/grpc-ecosystem/grpc-gateway/v2/utilities"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/status"
"google.golang.org/protobuf/proto"
)
// Suppress "imported and not used" errors
var _ codes.Code
var _ io.Reader
var _ status.Status
var _ = runtime.String
var _ = utilities.NewDoubleArray
var _ = metadata.Join
func request_Greeter_SayHello_0(ctx context.Context, marshaler runtime.Marshaler, client GreeterClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
var protoReq HelloRequest
var metadata runtime.ServerMetadata
newReader, berr := utilities.IOReaderFactory(req.Body)
if berr != nil {
return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
}
if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
}
msg, err := client.SayHello(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
return msg, metadata, err
}
func local_request_Greeter_SayHello_0(ctx context.Context, marshaler runtime.Marshaler, server GreeterServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
var protoReq HelloRequest
var metadata runtime.ServerMetadata
newReader, berr := utilities.IOReaderFactory(req.Body)
if berr != nil {
return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
}
if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
}
msg, err := server.SayHello(ctx, &protoReq)
return msg, metadata, err
}
// RegisterGreeterHandlerServer registers the http handlers for service Greeter to "mux".
// UnaryRPC :call GreeterServer directly.
// StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterGreeterHandlerFromEndpoint instead.
func RegisterGreeterHandlerServer(ctx context.Context, mux *runtime.ServeMux, server GreeterServer) error {
mux.Handle("POST", pattern_Greeter_SayHello_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
ctx, cancel := context.WithCancel(req.Context())
defer cancel()
var stream runtime.ServerTransportStream
ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req, "/helloworld.Greeter/SayHello", runtime.WithHTTPPathPattern("/api/v1/greeter/hello"))
if err != nil {
runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
return
}
resp, md, err := local_request_Greeter_SayHello_0(rctx, inboundMarshaler, server, req, pathParams)
md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
ctx = runtime.NewServerMetadataContext(ctx, md)
if err != nil {
runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
return
}
forward_Greeter_SayHello_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
})
return nil
}
// RegisterGreeterHandlerFromEndpoint is same as RegisterGreeterHandler but
// automatically dials to "endpoint" and closes the connection when "ctx" gets done.
func RegisterGreeterHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
conn, err := grpc.Dial(endpoint, opts...)
if err != nil {
return err
}
defer func() {
if err != nil {
if cerr := conn.Close(); cerr != nil {
grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
}
return
}
go func() {
<-ctx.Done()
if cerr := conn.Close(); cerr != nil {
grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
}
}()
}()
return RegisterGreeterHandler(ctx, mux, conn)
}
// RegisterGreeterHandler registers the http handlers for service Greeter to "mux".
// The handlers forward requests to the grpc endpoint over "conn".
func RegisterGreeterHandler(ctx context.Context, mux *runtime.ServeMux, cc grpc.ClientConnInterface) error {
return RegisterGreeterHandlerClient(ctx, mux, NewGreeterClient(cc))
}
// RegisterGreeterHandlerClient registers the http handlers for service Greeter
// to "mux". The handlers forward requests to the grpc endpoint over the given implementation of "GreeterClient".
// Note: the gRPC framework executes interceptors within the gRPC handler. If the passed in "GreeterClient"
// doesn't go through the normal gRPC flow (creating a gRPC client etc.) then it will be up to the passed in
// "GreeterClient" to call the correct interceptors.
func RegisterGreeterHandlerClient(ctx context.Context, mux *runtime.ServeMux, client GreeterClient) error {
mux.Handle("POST", pattern_Greeter_SayHello_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
ctx, cancel := context.WithCancel(req.Context())
defer cancel()
inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
rctx, err := runtime.AnnotateContext(ctx, mux, req, "/helloworld.Greeter/SayHello", runtime.WithHTTPPathPattern("/api/v1/greeter/hello"))
if err != nil {
runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
return
}
resp, md, err := request_Greeter_SayHello_0(rctx, inboundMarshaler, client, req, pathParams)
ctx = runtime.NewServerMetadataContext(ctx, md)
if err != nil {
runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
return
}
forward_Greeter_SayHello_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
})
return nil
}
var (
pattern_Greeter_SayHello_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"api", "v1", "greeter", "hello"}, ""))
)
var (
forward_Greeter_SayHello_0 = runtime.ForwardResponseMessage
)

313
example/example.pb.validate.go Normal file
View File

@ -0,0 +1,313 @@
// Code generated by protoc-gen-validate. DO NOT EDIT.
// source: example/example.proto
package main
import (
"bytes"
"errors"
"fmt"
"net"
"net/mail"
"net/url"
"regexp"
"strings"
"time"
"unicode/utf8"
"google.golang.org/protobuf/types/known/anypb"
)
// ensure the imports are used
var (
_ = bytes.MinRead
_ = errors.New("")
_ = fmt.Print
_ = utf8.UTFMax
_ = (*regexp.Regexp)(nil)
_ = (*strings.Reader)(nil)
_ = net.IPv4len
_ = time.Duration(0)
_ = (*url.URL)(nil)
_ = (*mail.Address)(nil)
_ = anypb.Any{}
)
// Validate checks the field values on HelloRequest with the rules defined in
// the proto definition for this message. If any rules are violated, an error
// is returned. When asked to return all errors, validation continues after
// first violation, and the result is a list of violation errors wrapped in
// HelloRequestMultiError, or nil if none found. Otherwise, only the first
// error is returned, if any.
func (m *HelloRequest) Validate(all bool) error {
if m == nil {
return nil
}
var errors []error
// no validation rules for Name
if len(errors) > 0 {
return HelloRequestMultiError(errors)
}
return nil
}
// HelloRequestMultiError is an error wrapping multiple validation errors
// returned by HelloRequest.Validate(true) if the designated constraints
// aren't met.
type HelloRequestMultiError []error
// Error returns a concatenation of all the error messages it wraps.
func (m HelloRequestMultiError) Error() string {
var msgs []string
for _, err := range m {
msgs = append(msgs, err.Error())
}
return strings.Join(msgs, "; ")
}
// AllErrors returns a list of validation violation errors.
func (m HelloRequestMultiError) AllErrors() []error { return m }
// HelloRequestValidationError is the validation error returned by
// HelloRequest.Validate if the designated constraints aren't met.
type HelloRequestValidationError struct {
field string
reason string
cause error
key bool
}
// Field function returns field value.
func (e HelloRequestValidationError) Field() string { return e.field }
// Reason function returns reason value.
func (e HelloRequestValidationError) Reason() string { return e.reason }
// Cause function returns cause value.
func (e HelloRequestValidationError) Cause() error { return e.cause }
// Key function returns key value.
func (e HelloRequestValidationError) Key() bool { return e.key }
// ErrorName returns error name.
func (e HelloRequestValidationError) ErrorName() string { return "HelloRequestValidationError" }
// Error satisfies the builtin error interface
func (e HelloRequestValidationError) Error() string {
cause := ""
if e.cause != nil {
cause = fmt.Sprintf(" | caused by: %v", e.cause)
}
key := ""
if e.key {
key = "key for "
}
return fmt.Sprintf(
"invalid %sHelloRequest.%s: %s%s",
key,
e.field,
e.reason,
cause)
}
var _ error = HelloRequestValidationError{}
var _ interface {
Field() string
Reason() string
Key() bool
Cause() error
ErrorName() string
} = HelloRequestValidationError{}
// Validate checks the field values on HelloReply with the rules defined in the
// proto definition for this message. If any rules are violated, an error is
// returned. When asked to return all errors, validation continues after first
// violation, and the result is a list of violation errors wrapped in
// HelloReplyMultiError, or nil if none found. Otherwise, only the first error
// is returned, if any.
func (m *HelloReply) Validate(all bool) error {
if m == nil {
return nil
}
var errors []error
// no validation rules for Message
if len(errors) > 0 {
return HelloReplyMultiError(errors)
}
return nil
}
// HelloReplyMultiError is an error wrapping multiple validation errors
// returned by HelloReply.Validate(true) if the designated constraints aren't met.
type HelloReplyMultiError []error
// Error returns a concatenation of all the error messages it wraps.
func (m HelloReplyMultiError) Error() string {
var msgs []string
for _, err := range m {
msgs = append(msgs, err.Error())
}
return strings.Join(msgs, "; ")
}
// AllErrors returns a list of validation violation errors.
func (m HelloReplyMultiError) AllErrors() []error { return m }
// HelloReplyValidationError is the validation error returned by
// HelloReply.Validate if the designated constraints aren't met.
type HelloReplyValidationError struct {
field string
reason string
cause error
key bool
}
// Field function returns field value.
func (e HelloReplyValidationError) Field() string { return e.field }
// Reason function returns reason value.
func (e HelloReplyValidationError) Reason() string { return e.reason }
// Cause function returns cause value.
func (e HelloReplyValidationError) Cause() error { return e.cause }
// Key function returns key value.
func (e HelloReplyValidationError) Key() bool { return e.key }
// ErrorName returns error name.
func (e HelloReplyValidationError) ErrorName() string { return "HelloReplyValidationError" }
// Error satisfies the builtin error interface
func (e HelloReplyValidationError) Error() string {
cause := ""
if e.cause != nil {
cause = fmt.Sprintf(" | caused by: %v", e.cause)
}
key := ""
if e.key {
key = "key for "
}
return fmt.Sprintf(
"invalid %sHelloReply.%s: %s%s",
key,
e.field,
e.reason,
cause)
}
var _ error = HelloReplyValidationError{}
var _ interface {
Field() string
Reason() string
Key() bool
Cause() error
ErrorName() string
} = HelloReplyValidationError{}
// Validate checks the field values on HelloStreamRequest with the rules
// defined in the proto definition for this message. If any rules are
// violated, an error is returned. When asked to return all errors, validation
// continues after first violation, and the result is a list of violation
// errors wrapped in HelloStreamRequestMultiError, or nil if none found.
// Otherwise, only the first error is returned, if any.
func (m *HelloStreamRequest) Validate(all bool) error {
if m == nil {
return nil
}
var errors []error
// no validation rules for Name
// no validation rules for Count
if len(errors) > 0 {
return HelloStreamRequestMultiError(errors)
}
return nil
}
// HelloStreamRequestMultiError is an error wrapping multiple validation errors
// returned by HelloStreamRequest.Validate(true) if the designated constraints
// aren't met.
type HelloStreamRequestMultiError []error
// Error returns a concatenation of all the error messages it wraps.
func (m HelloStreamRequestMultiError) Error() string {
var msgs []string
for _, err := range m {
msgs = append(msgs, err.Error())
}
return strings.Join(msgs, "; ")
}
// AllErrors returns a list of validation violation errors.
func (m HelloStreamRequestMultiError) AllErrors() []error { return m }
// HelloStreamRequestValidationError is the validation error returned by
// HelloStreamRequest.Validate if the designated constraints aren't met.
type HelloStreamRequestValidationError struct {
field string
reason string
cause error
key bool
}
// Field function returns field value.
func (e HelloStreamRequestValidationError) Field() string { return e.field }
// Reason function returns reason value.
func (e HelloStreamRequestValidationError) Reason() string { return e.reason }
// Cause function returns cause value.
func (e HelloStreamRequestValidationError) Cause() error { return e.cause }
// Key function returns key value.
func (e HelloStreamRequestValidationError) Key() bool { return e.key }
// ErrorName returns error name.
func (e HelloStreamRequestValidationError) ErrorName() string {
return "HelloStreamRequestValidationError"
}
// Error satisfies the builtin error interface
func (e HelloStreamRequestValidationError) Error() string {
cause := ""
if e.cause != nil {
cause = fmt.Sprintf(" | caused by: %v", e.cause)
}
key := ""
if e.key {
key = "key for "
}
return fmt.Sprintf(
"invalid %sHelloStreamRequest.%s: %s%s",
key,
e.field,
e.reason,
cause)
}
var _ error = HelloStreamRequestValidationError{}
var _ interface {
Field() string
Reason() string
Key() bool
Cause() error
ErrorName() string
} = HelloStreamRequestValidationError{}

11
example/example.proto
View File

@ -2,10 +2,17 @@ syntax = "proto3";
package helloworld;
option go_package = "example;main";
option go_package = "go.linka.cloud/grpc/example;main";
import "google/api/annotations.proto";
service Greeter {
rpc SayHello (HelloRequest) returns (HelloReply) {}
rpc SayHello (HelloRequest) returns (HelloReply) {
option (google.api.http) = {
post: "/api/v1/greeter/hello"
body: "*"
};
}
rpc SayHelloStream (HelloStreamRequest) returns (stream HelloReply) {}
}

97
example/example.swagger.json Normal file
View File

@ -0,0 +1,97 @@
{
"swagger": "2.0",
"info": {
"title": "example/example.proto",
"version": "version not set"
},
"tags": [
{
"name": "Greeter"
}
],
"consumes": [
"application/json"
],
"produces": [
"application/json"
],
"paths": {
"/api/v1/greeter/hello": {
"post": {
"operationId": "Greeter_SayHello",
"responses": {
"200": {
"description": "A successful response.",
"schema": {
"$ref": "#/definitions/helloworldHelloReply"
}
},
"default": {
"description": "An unexpected error response.",
"schema": {
"$ref": "#/definitions/rpcStatus"
}
}
},
"parameters": [
{
"name": "body",
"in": "body",
"required": true,
"schema": {
"$ref": "#/definitions/helloworldHelloRequest"
}
}
],
"tags": [
"Greeter"
]
}
}
},
"definitions": {
"helloworldHelloReply": {
"type": "object",
"properties": {
"message": {
"type": "string"
}
}
},
"helloworldHelloRequest": {
"type": "object",
"properties": {
"name": {
"type": "string"
}
}
},
"protobufAny": {
"type": "object",
"properties": {
"@type": {
"type": "string"
}
},
"additionalProperties": {}
},
"rpcStatus": {
"type": "object",
"properties": {
"code": {
"type": "integer",
"format": "int32"
},
"message": {
"type": "string"
},
"details": {
"type": "array",
"items": {
"$ref": "#/definitions/protobufAny"
}
}
}
}
}
}

11
example/example_grpc.pb.go
View File

@ -4,6 +4,7 @@ package main
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
@ -11,6 +12,7 @@ import (
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
// Requires gRPC-Go v1.32.0 or later.
const _ = grpc.SupportPackageIsVersion7
// GreeterClient is the client API for Greeter service.
@ -39,7 +41,7 @@ func (c *greeterClient) SayHello(ctx context.Context, in *HelloRequest, opts ...
}
func (c *greeterClient) SayHelloStream(ctx context.Context, in *HelloStreamRequest, opts ...grpc.CallOption) (Greeter_SayHelloStreamClient, error) {
stream, err := c.cc.NewStream(ctx, &_Greeter_serviceDesc.Streams[0], "/helloworld.Greeter/SayHelloStream", opts...)
stream, err := c.cc.NewStream(ctx, &Greeter_ServiceDesc.Streams[0], "/helloworld.Greeter/SayHelloStream", opts...)
if err != nil {
return nil, err
}
@ -99,7 +101,7 @@ type UnsafeGreeterServer interface {
}
func RegisterGreeterServer(s grpc.ServiceRegistrar, srv GreeterServer) {
s.RegisterService(&_Greeter_serviceDesc, srv)
s.RegisterService(&Greeter_ServiceDesc, srv)
}
func _Greeter_SayHello_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
@ -141,7 +143,10 @@ func (x *greeterSayHelloStreamServer) Send(m *HelloReply) error {
return x.ServerStream.SendMsg(m)
}
var _Greeter_serviceDesc = grpc.ServiceDesc{
// Greeter_ServiceDesc is the grpc.ServiceDesc for Greeter service.
// It's only intended for direct use with grpc.RegisterService,
// and not to be introspected or modified (even as a copy)
var Greeter_ServiceDesc = grpc.ServiceDesc{
ServiceName: "helloworld.Greeter",
HandlerType: (*GreeterServer)(nil),
Methods: []grpc.MethodDesc{

566
example/example_vtproto.pb.go Normal file
View File

@ -0,0 +1,566 @@
// Code generated by protoc-gen-go-vtproto. DO NOT EDIT.
// protoc-gen-go-vtproto version: v0.2.0
// source: example/example.proto
package main
import (
fmt "fmt"
io "io"
bits "math/bits"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
func (m *HelloRequest) MarshalVT() (dAtA []byte, err error) {
if m == nil {
return nil, nil
}
size := m.SizeVT()
dAtA = make([]byte, size)
n, err := m.MarshalToSizedBufferVT(dAtA[:size])
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *HelloRequest) MarshalToVT(dAtA []byte) (int, error) {
size := m.SizeVT()
return m.MarshalToSizedBufferVT(dAtA[:size])
}
func (m *HelloRequest) MarshalToSizedBufferVT(dAtA []byte) (int, error) {
if m == nil {
return 0, nil
}
i := len(dAtA)
_ = i
var l int
_ = l
if m.unknownFields != nil {
i -= len(m.unknownFields)
copy(dAtA[i:], m.unknownFields)
}
if len(m.Name) > 0 {
i -= len(m.Name)
copy(dAtA[i:], m.Name)
i = encodeVarint(dAtA, i, uint64(len(m.Name)))
i--
dAtA[i] = 0xa
}
return len(dAtA) - i, nil
}
func (m *HelloReply) MarshalVT() (dAtA []byte, err error) {
if m == nil {
return nil, nil
}
size := m.SizeVT()
dAtA = make([]byte, size)
n, err := m.MarshalToSizedBufferVT(dAtA[:size])
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *HelloReply) MarshalToVT(dAtA []byte) (int, error) {
size := m.SizeVT()
return m.MarshalToSizedBufferVT(dAtA[:size])
}
func (m *HelloReply) MarshalToSizedBufferVT(dAtA []byte) (int, error) {
if m == nil {
return 0, nil
}
i := len(dAtA)
_ = i
var l int
_ = l
if m.unknownFields != nil {
i -= len(m.unknownFields)
copy(dAtA[i:], m.unknownFields)
}
if len(m.Message) > 0 {
i -= len(m.Message)
copy(dAtA[i:], m.Message)
i = encodeVarint(dAtA, i, uint64(len(m.Message)))
i--
dAtA[i] = 0xa
}
return len(dAtA) - i, nil
}
func (m *HelloStreamRequest) MarshalVT() (dAtA []byte, err error) {
if m == nil {
return nil, nil
}
size := m.SizeVT()
dAtA = make([]byte, size)
n, err := m.MarshalToSizedBufferVT(dAtA[:size])
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *HelloStreamRequest) MarshalToVT(dAtA []byte) (int, error) {
size := m.SizeVT()
return m.MarshalToSizedBufferVT(dAtA[:size])
}
func (m *HelloStreamRequest) MarshalToSizedBufferVT(dAtA []byte) (int, error) {
if m == nil {
return 0, nil
}
i := len(dAtA)
_ = i
var l int
_ = l
if m.unknownFields != nil {
i -= len(m.unknownFields)
copy(dAtA[i:], m.unknownFields)
}
if m.Count != 0 {
i = encodeVarint(dAtA, i, uint64(m.Count))
i--
dAtA[i] = 0x10
}
if len(m.Name) > 0 {
i -= len(m.Name)
copy(dAtA[i:], m.Name)
i = encodeVarint(dAtA, i, uint64(len(m.Name)))
i--
dAtA[i] = 0xa
}
return len(dAtA) - i, nil
}
func encodeVarint(dAtA []byte, offset int, v uint64) int {
offset -= sov(v)
base := offset
for v >= 1<<7 {
dAtA[offset] = uint8(v&0x7f | 0x80)
v >>= 7
offset++
}
dAtA[offset] = uint8(v)
return base
}
func (m *HelloRequest) SizeVT() (n int) {
if m == nil {
return 0
}
var l int
_ = l
l = len(m.Name)
if l > 0 {
n += 1 + l + sov(uint64(l))
}
if m.unknownFields != nil {
n += len(m.unknownFields)
}
return n
}
func (m *HelloReply) SizeVT() (n int) {
if m == nil {
return 0
}
var l int
_ = l
l = len(m.Message)
if l > 0 {
n += 1 + l + sov(uint64(l))
}
if m.unknownFields != nil {
n += len(m.unknownFields)
}
return n
}
func (m *HelloStreamRequest) SizeVT() (n int) {
if m == nil {
return 0
}
var l int
_ = l
l = len(m.Name)
if l > 0 {
n += 1 + l + sov(uint64(l))
}
if m.Count != 0 {
n += 1 + sov(uint64(m.Count))
}
if m.unknownFields != nil {
n += len(m.unknownFields)
}
return n
}
func sov(x uint64) (n int) {
return (bits.Len64(x|1) + 6) / 7
}
func soz(x uint64) (n int) {
return sov(uint64((x << 1) ^ uint64((int64(x) >> 63))))
}
func (m *HelloRequest) UnmarshalVT(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflow
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: HelloRequest: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: HelloRequest: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflow
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLength
}
postIndex := iNdEx + intStringLen
if postIndex < 0 {
return ErrInvalidLength
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Name = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skip(dAtA[iNdEx:])
if err != nil {
return err
}
if (skippy < 0) || (iNdEx+skippy) < 0 {
return ErrInvalidLength
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
m.unknownFields = append(m.unknownFields, dAtA[iNdEx:iNdEx+skippy]...)
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func (m *HelloReply) UnmarshalVT(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflow
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: HelloReply: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: HelloReply: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Message", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflow
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLength
}
postIndex := iNdEx + intStringLen
if postIndex < 0 {
return ErrInvalidLength
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Message = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skip(dAtA[iNdEx:])
if err != nil {
return err
}
if (skippy < 0) || (iNdEx+skippy) < 0 {
return ErrInvalidLength
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
m.unknownFields = append(m.unknownFields, dAtA[iNdEx:iNdEx+skippy]...)
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func (m *HelloStreamRequest) UnmarshalVT(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflow
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: HelloStreamRequest: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: HelloStreamRequest: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflow
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLength
}
postIndex := iNdEx + intStringLen
if postIndex < 0 {
return ErrInvalidLength
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Name = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Count", wireType)
}
m.Count = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflow
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Count |= int64(b&0x7F) << shift
if b < 0x80 {
break
}
}
default:
iNdEx = preIndex
skippy, err := skip(dAtA[iNdEx:])
if err != nil {
return err
}
if (skippy < 0) || (iNdEx+skippy) < 0 {
return ErrInvalidLength
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
m.unknownFields = append(m.unknownFields, dAtA[iNdEx:iNdEx+skippy]...)
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func skip(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0
depth := 0
for iNdEx < l {
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
wireType := int(wire & 0x7)
switch wireType {
case 0:
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
iNdEx++
if dAtA[iNdEx-1] < 0x80 {
break
}
}
case 1:
iNdEx += 8
case 2:
var length int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow
}
if iNdEx >= l {
return 0, io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
length |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
if length < 0 {
return 0, ErrInvalidLength
}
iNdEx += length
case 3:
depth++
case 4:
if depth == 0 {
return 0, ErrUnexpectedEndOfGroup
}
depth--
case 5:
iNdEx += 4
default:
return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
}
if iNdEx < 0 {
return 0, ErrInvalidLength
}
if depth == 0 {
return iNdEx, nil
}
}
return 0, io.ErrUnexpectedEOF
}
var (
ErrInvalidLength = fmt.Errorf("proto: negative length found during unmarshaling")
ErrIntOverflow = fmt.Errorf("proto: integer overflow")
ErrUnexpectedEndOfGroup = fmt.Errorf("proto: unexpected end of group")
)